X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c57842fe897f53b46f0be3da87f7c996674be7d6..87f4d514f71c56a1a66bd786329474e2f8a975ba:/src/simgrid/sg_config.c

diff --git a/src/simgrid/sg_config.c b/src/simgrid/sg_config.c
index 5bf6c4aa7a..9117342df3 100644
--- a/src/simgrid/sg_config.c
+++ b/src/simgrid/sg_config.c
@@ -837,6 +837,11 @@ void sg_config_init(int *argc, char **argv)
                      xbt_cfgelm_string, 1, 1, NULL, NULL);
     xbt_cfg_setdefault_string(_sg_cfg_set, "smpi/lat_factor", "65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;1426:1.61075;732:1.9503;257:1.95341;0:2.01467");
 
+    xbt_cfg_register(&_sg_cfg_set, "smpi/IB_penalty_factors",
+                     "Correction factor to communications using Infiniband model with contention (default value based on Stampede cluster profiling)",
+                     xbt_cfgelm_string, 1, 1, NULL, NULL);
+    xbt_cfg_setdefault_string(_sg_cfg_set, "smpi/IB_penalty_factors", "0.965;0.925;1.35");
+
     xbt_cfg_register(&_sg_cfg_set, "smpi/os",
                      "Small messages timings (MPI_Send minimum time for small messages)",
                      xbt_cfgelm_string, 1, 1, NULL, NULL);